[INFO] cloning repository https://github.com/parkerpierpont/lox-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/parkerpierpont/lox-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparkerpierpont%2Flox-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparkerpierpont%2Flox-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 887acab323ff928b33e19792e240dad32be6aa63
[INFO] checking parkerpierpont/lox-lang against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparkerpierpont%2Flox-lang" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/parkerpierpont/lox-lang on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/parkerpierpont/lox-lang
[INFO] finished tweaking git repo https://github.com/parkerpierpont/lox-lang
[INFO] tweaked toml for git repo https://github.com/parkerpierpont/lox-lang written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/parkerpierpont/lox-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33e306694a65220b0e3ac98db99f6340cf012c213384f20b47043d605ac22cba
[INFO] running `Command { std: "docker" "start" "-a" "33e306694a65220b0e3ac98db99f6340cf012c213384f20b47043d605ac22cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33e306694a65220b0e3ac98db99f6340cf012c213384f20b47043d605ac22cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e306694a65220b0e3ac98db99f6340cf012c213384f20b47043d605ac22cba", kill_on_drop: false }`
[INFO] [stdout] 33e306694a65220b0e3ac98db99f6340cf012c213384f20b47043d605ac22cba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ef8d6c5e23b76e52dbbe4219c1dca9f537d3528f411825f611cbbf81059b7eb
[INFO] running `Command { std: "docker" "start" "-a" "8ef8d6c5e23b76e52dbbe4219c1dca9f537d3528f411825f611cbbf81059b7eb", kill_on_drop: false }`
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking vm v0.1.0 (/opt/rustwide/workdir/vm)
[INFO] [stderr]     Checking lox-interpreted v0.1.0 (/opt/rustwide/workdir/interpreted)
[INFO] [stdout] warning: unused import: `object::LoxNil`
[INFO] [stdout]  --> interpreted/src/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     object::LoxNil,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `object::LoxNil`
[INFO] [stdout]  --> interpreted/src/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     object::LoxNil,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `once_cell` has been stable since 1.70.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> interpreted/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(once_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `once_cell` has been stable since 1.70.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> interpreted/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(once_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> interpreted/src/parser.rs:293:13
[INFO] [stdout]     |
[INFO] [stdout] 292 |             _ => Ok(ReturnStmt::new(keyword, value)),
[INFO] [stdout]     |             - matches any value
[INFO] [stdout] 293 |             Err(parse_error) => return Err(parse_error),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> interpreted/src/parser.rs:293:13
[INFO] [stdout]     |
[INFO] [stdout] 292 |             _ => Ok(ReturnStmt::new(keyword, value)),
[INFO] [stdout]     |             - matches any value
[INFO] [stdout] 293 |             Err(parse_error) => return Err(parse_error),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "8ef8d6c5e23b76e52dbbe4219c1dca9f537d3528f411825f611cbbf81059b7eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ef8d6c5e23b76e52dbbe4219c1dca9f537d3528f411825f611cbbf81059b7eb", kill_on_drop: false }`
[INFO] [stdout] 8ef8d6c5e23b76e52dbbe4219c1dca9f537d3528f411825f611cbbf81059b7eb